EP3794484A4 - Garanties fiables reposant sur une chaîne de blocs - Google Patents

Garanties fiables reposant sur une chaîne de blocs Download PDF

Info

Publication number
EP3794484A4
EP3794484A4 EP20725748.6A EP20725748A EP3794484A4 EP 3794484 A4 EP3794484 A4 EP 3794484A4 EP 20725748 A EP20725748 A EP 20725748A EP 3794484 A4 EP3794484 A4 EP 3794484A4
Authority
EP
European Patent Office
Prior art keywords
blockchain
guarantees
based trustable
trustable guarantees
trustable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20725748.6A
Other languages
German (de)
English (en)
Other versions
EP3794484A2 (fr
EP3794484B1 (fr
Inventor
Xuming LU
Hui Zhou
Guojun Ye
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alipay Hangzhou Information Technology Co Ltd
Original Assignee
Alipay Hangzhou Information Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alipay Hangzhou Information Technology Co Ltd filed Critical Alipay Hangzhou Information Technology Co Ltd
Publication of EP3794484A2 publication Critical patent/EP3794484A2/fr
Publication of EP3794484A4 publication Critical patent/EP3794484A4/fr
Application granted granted Critical
Publication of EP3794484B1 publication Critical patent/EP3794484B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/389—Keeping log of transactions for guaranteeing non-repudiation of a transaction
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/23—Updating
    • G06F16/2365—Ensuring data consistency and integrity
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/23—Updating
    • G06F16/2379—Updates performed during online database operations; commit processing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/08—Payment architectures
    • G06Q20/12—Payment architectures specially adapted for electronic shopping systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
    • G06Q20/3821—Electronic credentials
    • G06Q20/38215—Use of certificates or encrypted proofs of transaction rights
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
    • G06Q20/3829—Payment protocols; Details thereof insuring higher security of transaction involving key management
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
    • G06Q20/401—Transaction verification
    • G06Q20/4016—Transaction verification involving fraud or risk level assessment in transaction processing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
    • G06Q20/403—Solvency checks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
    • G06Q20/405—Establishing or using transaction specific rules
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00—Commerce
    • G06Q30/06—Buying, selling or leasing transactions
    • G06Q30/0601—Electronic shopping [e-shopping]
    • G06Q30/0609—Buyer or seller confidence or verification
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/008—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols involving homomorphic encryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/085—Secret sharing or secret splitting, e.g. threshold schemes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0894—Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3218—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using proof of knowledge, e.g. Fiat-Shamir, GQ, Schnorr, ornon-interactive zero-knowledge proofs
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
    • H04L9/3239—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions involving non-keyed hash functions, e.g. modification detection codes [MDCs], MD5, SHA or RIPEMD
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/56—Financial cryptography, e.g. electronic payment or e-cash
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures

Landscapes

  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Computer Security & Cryptography (AREA)
  • Accounting & Taxation (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Finance (AREA)
  • Strategic Management (AREA)
  • General Business, Economics & Management (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Data Mining & Analysis (AREA)
  • Development Economics (AREA)
  • Economics (AREA)
  • Marketing (AREA)
  • Health & Medical Sciences (AREA)
  • Bioethics (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
EP20725748.6A 2020-02-03 2020-02-03 Garanties fiables reposant sur une chaîne de blocs Active EP3794484B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/074248 WO2020098838A2 (fr) 2020-02-03 2020-02-03 Garanties fiables reposant sur une chaîne de blocs

Publications (3)

Publication Number Publication Date
EP3794484A2 EP3794484A2 (fr) 2021-03-24
EP3794484A4 true EP3794484A4 (fr) 2021-05-05
EP3794484B1 EP3794484B1 (fr) 2024-04-17

Family

ID=70733024

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20725748.6A Active EP3794484B1 (fr) 2020-02-03 2020-02-03 Garanties fiables reposant sur une chaîne de blocs

Country Status (5)

Country Link
US (1) US11182788B2 (fr)
EP (1) EP3794484B1 (fr)
CN (1) CN111433798B (fr)
SG (1) SG11202012851YA (fr)
WO (1) WO2020098838A2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210314293A1 (en) * 2020-04-02 2021-10-07 Hewlett Packard Enterprise Development Lp Method and system for using tunnel extensible authentication protocol (teap) for self-sovereign identity based authentication
CN111885050B (zh) * 2020-07-21 2022-01-11 腾讯科技（深圳）有限公司 基于区块链网络的数据存储方法、装置、相关设备及介质
CN113032800A (zh) * 2021-02-22 2021-06-25 北京航空航天大学 一种基于零知识证明的链上自动执行智能合约中间件系统
CN114565387B (zh) * 2022-03-15 2022-10-04 湖南三湘银行股份有限公司 一种基于区块链记账的智能对公支付系统

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030140007A1 (en) 1998-07-22 2003-07-24 Kramer Glenn A. Third party value acquisition for electronic transaction settlement over a network
US8555072B2 (en) * 2006-08-31 2013-10-08 International Business Machines Corporation Attestation of computing platforms
US10693658B2 (en) 2016-02-12 2020-06-23 Visa International Service Association Methods and systems for using digital signatures to create trusted digital asset transfers
AU2017222708A1 (en) * 2016-02-22 2018-09-13 Royal Bank Of Canada Electronic document platform
WO2018140913A1 (fr) 2017-01-30 2018-08-02 SALT Lending Holdings, Inc. Système et procédé de création d'un accord sécurisé automatisé basé sur des actifs
US10255342B2 (en) * 2017-04-12 2019-04-09 Vijay K. Madisetti Method and system for tuning blockchain scalability, decentralization, and security for fast and low-cost payment and transaction processing
US11037118B2 (en) 2017-04-28 2021-06-15 International Business Machines Corporation Zero knowledge third party guarantee of service on decentralized computing platform
CN107392608B (zh) 2017-07-11 2020-07-07 北京博晨技术有限公司 基于区块链系统的数字资产交易方法及区块链系统
US20190205898A1 (en) * 2017-07-31 2019-07-04 Chronicled, Inc Decentralized confidential transfer system, method and device
CN108288159A (zh) 2018-03-07 2018-07-17 物数（上海）信息科技有限公司 基于多区块链的跨链交易方法、系统、设备及存储介质
CN108764874B (zh) * 2018-05-17 2021-09-07 深圳前海微众银行股份有限公司 基于区块链的匿名转账方法、系统及存储介质
CN113989047A (zh) 2018-07-27 2022-01-28 创新先进技术有限公司 基于区块链的资产发布方法及装置、电子设备
CN109102295A (zh) 2018-08-31 2018-12-28 深圳市有钱科技有限公司 一种商誉使用权转让系统
CN109558517B (zh) * 2018-10-24 2023-02-03 中山大学 一种基于区块链的多方安全选举系统
CN110073633B (zh) 2018-11-07 2023-03-31 创新先进技术有限公司 使用同态加密的区块链数据保护
EP3542336B1 (fr) 2018-11-07 2021-01-27 Advanced New Technologies Co., Ltd. Protection de données de chaîne de blocs basée sur un modèle de billets provenant de comptes et utilisant une preuve à connaissance nulle
SG11201903552PA (en) 2018-11-07 2019-05-30 Alibaba Group Holding Ltd Blockchain data protection using homomorphic encryption
CN110383311A (zh) 2018-11-07 2019-10-25 阿里巴巴集团控股有限公司 监管区块链机密交易
CN110035046B (zh) 2018-11-16 2020-02-21 阿里巴巴集团控股有限公司 跨区块链的交互系统
CN109614820A (zh) * 2018-12-06 2019-04-12 山东大学 基于零知识证明的智能合约认证数据隐私保护方法
CN118313829A (zh) 2018-12-14 2024-07-09 创新先进技术有限公司 基于区块链的事件处理方法及装置、电子设备
WO2019101228A2 (fr) 2019-03-01 2019-05-31 Alibaba Group Holding Limited Procédés et dispositifs de protection de données sensibles d'une activité de transaction sur la base d'un contrat intelligent dans une chaîne de blocs
CN110033272A (zh) * 2019-04-03 2019-07-19 中国工商银行股份有限公司 基于区块链的保函数据处理方法、设备以及系统
EP3613170B1 (fr) 2019-04-03 2022-06-08 Advanced New Technologies Co., Ltd. Traitement de données de chaîne de blocs sur la base d'opérations sur contrats intelligents exécutées dans un environnement d'exécution de confiance
CN112003703B (zh) 2019-06-28 2023-08-22 创新先进技术有限公司 一种跨链发送可认证消息的方法和装置
WO2019179533A2 (fr) 2019-07-02 2019-09-26 Alibaba Group Holding Limited Système et procédé d'émission de revendications vérifiables
CN116910726A (zh) 2019-07-02 2023-10-20 创新先进技术有限公司 用于将去中心化标识映射到真实实体的系统和方法
CN110428249A (zh) 2019-07-25 2019-11-08 重庆邮电大学 一种基于零知识证明的侧链小额支付系统
CN110428334A (zh) 2019-08-09 2019-11-08 中国工商银行股份有限公司 基于区块链网络的票据处理方法及装置
CN110650189B (zh) 2019-09-20 2022-01-18 深圳供电局有限公司 一种基于中继的区块链的交互系统及方法
CN110795501A (zh) 2019-10-11 2020-02-14 支付宝(杭州)信息技术有限公司 基于区块链的可验证声明的创建方法、装置、设备及系统
CN110995420A (zh) 2019-11-27 2020-04-10 支付宝(杭州)信息技术有限公司 一种数据处理方法和系统

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
ANONYMOUS: "Privacy and blockchain - Wikipedia", 23 December 2019 (2019-12-23), XP055789911, Retrieved from the Internet <URL:https://en.wikipedia.org/w/index.php?title=Privacy_and_blockchain&oldid=932132324> [retrieved on 20210325] *
GOLDSTEIN KONSTANTIN: "Blockchain: From disruptive concept to business ready solution", 14 June 2017 (2017-06-14), XP055789373, Retrieved from the Internet <URL:https://bconference.kz/wp-content/uploads/2017/06/microsoft.pdf> [retrieved on 20210324] *
INVESTOPEDIA STAFF: "Standby Letter of Credit (SLOC)", 14 February 2018 (2018-02-14), XP055789415, Retrieved from the Internet <URL:https://web.archive.org/web/20180214014637/https://www.investopedia.com/terms/s/standbyletterofcredit.asp> [retrieved on 20210324] *
WANG YUNSEN ET AL: "Designing confidentiality-preserving Blockchain-based transaction processing systems", INTERNATIONAL JOURNAL OF ACCOUNTING INFORMATION SYSTEMS, vol. 30, 1 September 2018 (2018-09-01), AMSTERDAM, NL, pages 1 - 18, XP055789948, ISSN: 1467-0895, DOI: 10.1016/j.accinf.2018.06.001 *

Also Published As

Publication number Publication date
US20210150516A1 (en) 2021-05-20
EP3794484A2 (fr) 2021-03-24
SG11202012851YA (en) 2021-01-28
CN111433798A (zh) 2020-07-17
WO2020098838A2 (fr) 2020-05-22
WO2020098838A9 (fr) 2021-01-07
US11182788B2 (en) 2021-11-23
WO2020098838A3 (fr) 2020-12-10
CN111433798B (zh) 2022-05-31
EP3794484B1 (fr) 2024-04-17

Similar Documents

Publication Publication Date Title
EP3799649A4 (fr) Garanties fiables basées sur chaines de blocs
EP3794773A4 (fr) Garanties de confiance basées sur une chaîne de blocs
EP3799644A4 (fr) Cautionnements de confiance à base de chaîne de blocs
EP3799643A4 (fr) Cautionnements de confiance sur la base d&#39;une chaîne de blocs
EP3794537A4 (fr) Garanties de confiance utilisant la chaîne de blocs
EP3794483A4 (fr) Garanties de confiance basées sur une chaîne de blocs
EP3794484A4 (fr) Garanties fiables reposant sur une chaîne de blocs
AU2021902077A0 (en) Si-211
AU2021901795A0 (en) Build-A-bouquet
AU2021901682A0 (en) PoPLeveLPoP
AU2021900733A0 (en) Mudgutz
AU2021900525A0 (en) BubbleSplint
AU2021900524A0 (en) Gyroball
AU2021900362A0 (en) Tab-Sleeve
AU2021900327A0 (en) Ridball
AU2021900190A0 (en) Stumpmate
AU2021900191A0 (en) Omni-wheel
AU2021900077A0 (en) CareSide
AU2020904618A0 (en) SafeForce
AU2020904535A0 (en) HempSim
AU2020904490A0 (en) Skycleanser
AU2020904473A0 (en) CrocMagnet
AU2020904131A0 (en) Cupcards
AU2020904113A0 (en) PetConnect
AU2020904125A0 (en) Campezy

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20201218

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

A4 Supplementary search report drawn up and despatched

Effective date: 20210408

RIC1 Information provided on ipc code assigned before grant

Ipc: G06F 21/60 20130101AFI20210331BHEP

Ipc: G06F 21/64 20130101ALI20210331BHEP

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

RIC1 Information provided on ipc code assigned before grant

Ipc: G06F 21/64 20130101ALI20231221BHEP

Ipc: G06F 21/60 20130101AFI20231221BHEP

INTG Intention to grant announced

Effective date: 20240122

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

P01 Opt-out of the competence of the unified patent court (upc) registered

Effective date: 20240216

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602020029152

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG9D

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20240417

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 1677935

Country of ref document: AT

Kind code of ref document: T

Effective date: 20240417

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240417

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240417

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240817

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240417

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240417

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240417

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240718

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240819